Vacuum cleaner



FIG. 1 is a front view of a first embodiment of a vacuum cleaner showing the claimed design;

FIG. 2 is a rear view thereof;

FIG. 3 is a top view thereof;

FIG. 4 is a bottom view thereof;

FIG. 5 is a left view thereof;

FIG. 6 is a right view thereof;

FIG. 7 is a perspective front, top, right view thereof;

FIG. 8 is a perspective front, top, left view thereof;

FIG. 9 is a perspective rear, top, right view thereof; and

FIG. 10 is a perspective rear, top, left view thereof.

FIG. 11 is a front view of a second embodiment of a vacuum cleaner showing the claimed design;

FIG. 12 is a rear view thereof;

FIG. 13 is a top view thereof;

FIG. 14 is a bottom view thereof;

FIG. 15 is a left view thereof;

FIG. 16 is a right view thereof;

FIG. 17 is a perspective front, top, right view thereof;

FIG. 18 is a perspective front, top, left view thereof;

FIG. 19 is a perspective rear, top, right view thereof; and,

FIG. 20 is a perspective rear, top, left view thereof.

The broken lines in the drawings depict portions of the vacuum cleaner that form no part of the claimed design. 

CLAIM The ornamental design for a vacuum cleaner, as shown and described. 